Patents Represented by Attorney R. Johnston

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  • Drain valve
    Patent number: 4174091
    Abstract: A dishwasher drain valve provides axial alignment of inlet and outlet ports, a poppet is pivotally mounted in a chamber adjacent to the flow chamber of the valve and moves from a position blocking flow to one allowing substantially free straight through flow. The poppet is configured to provide self-centering within the valve body and allow for self-alignment with a valve seat formed in the through passage between the inlet and outlet ports.
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: November 13, 1979
    Assignee: Eaton Corporation
    Inventors: William R. Donahue, Jr., Wesley S. Swanson